Senior Frontend Engineer

🏢 Summary: Design leadership role focused on building and scaling brand campaigns, visual systems, and product launch communications for AI infrastructure products. The position involves collaborating cross-functionally with marketing, engineering, and leadership to translate complex technical concepts into compelling visual experiences. Candidates should have strong visual design expertise, ownership mindset, and experience working in fast-paced technical environments. 🗂️ Requirements: Exceptional visual design portfolio, Strong attention to detail and design quality, Ability to communicate ideas clearly, Experience leading cross-functional projects, Experience building scalable design systems, Ability to translate complex technical concepts into visual communication, Comfort working in fast-paced environments, Strong understanding of branding and visual identity 📃 Skills: Design, Branding, Marketing, Animation, Motion, Visuals 🏢 Description: ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. THE ROLE - Lead large-scale brand campaigns across digital, events, and out-of-home. - Partner with engineering and product marketing on major product launches. - Turn complex technical ideas into clear, compelling visual communication. - Evolve the Baseten visual identity into a brand system that scales. - Own projects end-to-end, from concept through launch, collaborating directly with marketing, product, engineering, and leadership. - Shape our employer brand and help define how new hires experience Baseten. - Raise the bar for craft across every customer touchpoint. ABOUT YOU - You have a portfolio of exceptional work with outstanding visual craft and attention to detail. - You care deeply about quality and sweat the details. - You communicate ideas clearly and thrive in collaborative environments. - You know when to build systems, not just execute on assets. - You default to ownership and are comfortable leading highly cross-functional projects from concept through launch. - You're excited by technical products and know how to make complex ideas feel consumable without oversimplifying them. - You thrive in a fast-moving environment with a high bar for quality. - You have strong opinions about design and can articulate why something works — and why it doesn't. BONUS - Motion design and animation experience. - Experience designing for developers or highly technical audiences. BENEFITS - Competitive compensation, including meaningful equity. - 100% coverage of medical, dental, and vision insurance for employee and dependents. - Flexible PTO policy including company wide Winter Break. - Paid parental leave. - Fertility and family-building stipend through Carrot. - Company-facilitated 401(k). - Exposure to a variety of ML startups, offering learning and networking opportunities. Compensation Range: $100K - $175K

🏢 Summary: Senior Front-End Engineer role focused on building scalable, responsive enterprise web applications using React and modern front-end technologies. The position involves collaborating with UX, product, and backend teams, leading front-end architecture decisions, optimizing performance, and mentoring engineers in an Agile environment. Hybrid work near Fort Lauderdale, FL with emphasis on clean architecture, reusable UI systems, and enterprise-grade user experiences. 🗂️ Requirements: 8+ years developing enterprise front-end applications, 3+ years advanced React.js experience, Proficiency in JavaScript, HTML5, CSS3, Experience with responsive CSS frameworks, Knowledge of component-driven architecture and scalable front-end design, Experience with wireframes, prototypes, and UI design tools, Front-end performance optimization experience, Proficiency with Git and version control workflows, Knowledge of code reviews, testing, debugging, and maintainable architecture, Ability to work in Agile/Scrum environments, Authorization to work in the U.S., Residence in Florida 📃 Skills: React, JavaScript, HTML5, CSS3, Redux, Zustand, Tailwind, Bootstrap, MaterialUI, Figma, AdobeXD, Sketch, Git, Next.js, TypeScript, Jest 🏢 Description: About the Role The Senior Front-End Engineer role is an opportunity to build modern, responsive web applications that deliver exceptional user experiences for enterprise customers. You'll collaborate with designers, product leaders, and backend engineers to transform ideas into intuitive, scalable interfaces while influencing both technical direction and user experience. This position is ideal for someone who enjoys owning the front-end architecture, mentoring teammates, and delivering polished applications that perform at scale. What You'll Do - Design and develop modern, responsive web applications using React and contemporary front-end development practices. - Partner closely with UX designers, product managers, and backend engineers to translate business requirements into intuitive user interfaces. - Convert wireframes, prototypes, and visual concepts into clean, maintainable, production-ready code. - Build reusable UI components and scalable design patterns that promote consistency across applications. - Champion performance optimization techniques to ensure fast, responsive, and reliable user experiences. - Create interfaces that are accessible, responsive, and compatible across modern browsers and devices. - Participate throughout the full front-end development lifecycle, from solution design through deployment and ongoing enhancements. - Conduct peer code reviews, share technical knowledge, and mentor junior engineers on development standards and best practices. - Promote clean architecture, automated testing, maintainable code, and continuous improvement within the engineering team. - Collaborate in Agile ceremonies and contribute to technical planning, estimation, and solution design. What You'll Bring - 8+ years of professional experience developing enterprise front-end applications. - 3+ years advanced expertise with React.js, including functional components, Hooks, Context API, and modern state management approaches such as Redux/Zustand. - 2–3+ years of hands-on involvement with UI/UX design, user-centered design principles, or close collaboration with design teams. - Strong proficiency with JavaScript (ES6+), HTML5, CSS3, responsive layouts, and modern browser capabilities. - Experience developing responsive interfaces using CSS frameworks such as Tailwind CSS, Bootstrap, or Material UI. - Solid understanding of component-driven architecture, reusable design systems, and scalable front-end application design. - Experience creating or working from wireframes, prototypes, mockups, and interactive designs using tools such as Figma, Adobe XD, or Sketch. - Strong knowledge of UI design fundamentals, including typography, spacing, color theory, layout, and usability. - Experience optimizing front-end performance through techniques such as lazy loading, code splitting, rendering optimization, and efficient state management. - Proficiency with Git, collaborative version control workflows, and modern software development practices. - Strong understanding of software quality practices, including code reviews, debugging, testing, and maintainable application architecture. - Excellent communication skills with the ability to collaborate effectively across engineering, product, and design teams. Nice to Have - Experience with Next.js and server-side rendering. - Working knowledge of TypeScript. - Familiarity with WCAG accessibility standards and inclusive design practices. - Experience with automated testing frameworks such as Jest and React Testing Library. - Experience working within Agile/Scrum delivery environments. - Previous experience mentoring developers or serving as a technical lead on front-end initiatives. Location - Hybrid role: 3 days onsite and 2 days remote near Fort Lauderdale, FL. - Applicants must be authorized to work for any employer in the U.S. - Candidates must reside in Florida. Compensation and Benefits - Estimated compensation range: $40–$50 USD. - Eligible for discretionary bonuses, commissions, and incentive programs. - Comprehensive benefits package including medical, dental, vision, 401(k), and paid time off. ADA Specifications - Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this position.

🏢 Summary: Senior Frontend Engineer role focused on building and scaling AI-powered Next.js applications with complex state management, real-time interactions, and enterprise-grade frontend architecture. The position involves owning frontend delivery, designing intuitive AI user experiences, and optimizing performance, accessibility, and scalability for high-load products. Hybrid full-time B2B engagement with a competitive salary range. 🗂️ Requirements: 5+ years of frontend engineering experience, 3+ years of React and TypeScript experience, Production experience with Next.js SSR applications, Knowledge of SSR, SSG, CSR trade-offs, Experience with complex state management, Experience building AI/LLM interfaces, Experience optimizing Core Web Vitals and frontend performance, Knowledge of localization, accessibility, security, and compliance, Security-conscious engineering approach, Experience using AI coding agents, Strong communication skills 📃 Skills: React, TypeScript, Next.js, SSR, SSG, CSR, JavaScript, LLM, AI, CoreWebVitals, Accessibility, Security, Localization, SemanticSearch, GraphQL 🏢 Description: Senior Frontend Engineer (React) 💰 Salary: $8000-$12,000 🕦 Full-time ☑️ B2B 🌴 Hybrid We are looking for a Senior Frontend Engineer to join a fast-growing AI product company's engineering team. The role sits at the crossroads of frontend architecture and product experience, owning both the delivery of business-critical Next.js applications and the design of intuitive, trustworthy user experiences for agentic AI products. Requirements Over 5 years of frontend engineering experience, including 3+ years specializing in React and modern TypeScript. Production Next.js experience: SSR applications at scale, app router, server components, and the trade-offs between SSR, SSG, and CSR. Complex state management for hard scenarios: real-time collaboration, optimistic updates, multi-tenant isolation, large-scale data sync. Experience building AI/LLM interfaces: streaming token responses, chat UIs, semantic search, or similar real-time AI interactions. High-load performance work: you monitor Core Web Vitals and know how to improve them under heavy traffic and large datasets. Enterprise application depth: localization, accessibility, security, and compliance, you understand the complexity beyond "making it work". A security-conscious approach to engineering: you handle sensitive data carefully and think about the security implications of what you ship. Strong craft and product instinct: you don't wait for perfect designs, you spot UX issues and propose solutions, and you're never satisfied with "good enough". AI-native working style. You already use AI coding agents daily and are eager to push the boundaries of harness engineering. Clear communication. You articulate design decisions and technical trade-offs clearly, verbally and in writing. Key Responsibilities Design and ship production Next.js SSR applications with complex state, high-load scenarios, and real-time AI interactions at scale. Build interfaces for AI-powered features: streaming LLM responses, semantic search across millions of documents, interactive knowledge graphs, and agentic builders. Architect component libraries and maintain the design system, ensuring reusability, accessibility, and consistent UX across the platform. Deliver enterprise-grade functionality: localization, accessibility compliance, cross-browser support, and security. Take full ownership after launch: monitor performance in production, optimize bundle sizes, instrument for Core Web Vitals, and ensure things scale gracefully. Keep the bar high on code quality, testing, and craft through thoughtful code review and mentorship.

🏢 Summary: Own and lead the development of a production-grade Voice AI inference stack, building and operating real-time, large-scale model serving systems for speech and voice agent workloads. The role covers end-to-end ownership from architecture and system design to deployment and long-term production operations. You will collaborate cross-functionally to deliver high-performance Voice AI infrastructure with strict latency requirements. 🗂️ Requirements: Bachelor's degree in Computer Science or related field, Experience owning production-grade real-time large-scale systems, Experience with low-latency systems where p99 latency matters, Strong programming skills in at least one language, Ability to design and operate high-performance model serving systems, Experience with cross-team technical collaboration, Comfortable using AI coding assistants daily 📃 Skills: Python, Docker, Kubernetes, STT, TTS, vLLM, TensorRT, ONNX, PyTorch, Whisper 🏢 Description: ABOUT BASETENBaseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $300M Series E, backed by investors including BOND, IVP, Spark Capital, Greylock, and Conviction. Join us and help build the platform engineers turn to to ship AI products.THE ROLE:Voice is becoming the internet’s next interface, but a production-grade Voice AI system is "hard to build". You’ll join a small founding team of Baseten Voice AI, focused on bringing state-of-the-art open source models into production for Voice AI customers across productivity, customer service, clinical conversation, creator tools, education, and more. You’ll make a meaningful impact on people’s daily lives and help reshape these industries.This is a high-impact, high-ownership role. You will be the primary owner of Baseten Voice AI - our in-house inference stack to power Voice AI models - from product roadmap through engineering implementation. You’ll partner closely with Forward Deployed Engineers, Model Performance Engineers, and sister engineering teams to push the boundaries of Voice AI.EXAMPLE INITIATIVES:The world's fastest Whisper — with streaming and diarizationCanopy Labs selects Baseten for Orpheus TTS inferenceCollaborate with the Core Product team on the orchestration framework to build a multi-model voice agentCollaborate with the Training Platform team to enable continuous training of voice modelsDesign an ergonomic, developer-friendly API and SDK that enables self-serve adoption of Baseten Voice AI products.RESPONSIBILITIES:Own and lead Voice AI product areas end-to-end — from architecture and system design through implementation, rollout, and long-term production operations.Design, build, and operate real-time, large-scale, high-performance model serving systems for STT, TTS, and voice agent workloads with clear SLOs for mission-critical customer deployments.Drive cross-team collaboration with sister engineering teams to solve full-stack technical problems, aligning on priorities, and coordinating end-to-end delivery across the product surface area.Mentor teammates through code reviews, design docs, and technical leadership.REQUIREMENTS:Bachelor's degree or higher in Computer Science or related fieldProven track record owning production-grade real-time, large-scale systems where tail latency (p99) matters.Proficient coding abilities in one or more popular programming or scripting languages; Python proficiency is a plus.Good taste in product, particularly developer-oriented toolsInterest in ML/AI infrastructure and willingness to learnStrong collaboration and communication skillsComfortable using AI coding assistants (e.g., Claude Code, Codex, Cursor) as a daily productivity multiplier — as an AI-native company, we see this as a must-have skill.NICE TO HAVE:Experience implementing pipeline-level model runtime optimizations such as dynamic batching, async scheduling, or decode-side throughput improvements.Experience building developer platforms: SDKs, CLIs, APIs, and self-serve workflows for ML or infrastructure products.Experience with containerization and orchestration technologies (Docker, Kubernetes), service meshes, or distributed scheduling.Familiarity with speech/audio ML models (STT, TTS, speech-to-speech)Familiarity with model-serving runtimes (vLLM, TensorRT, ONNX).Familiarity with systems-level performance profiling across host-device boundaries (e.g. PyTorch Profiler), diagnosing GPU utilization issuesExposure to customer-facing engineering: pre-sales prototyping, technical discovery, or working directly with customers to ship solutions.BENEFITSCompetitive compensation, including meaningful equity.100% coverage of medical, dental, and vision insurance for employee and dependentsFlexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!)Paid parental leaveFertility and family-building stipend through CarrotCompany-facilitated 401(k)Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities.Apply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you.At Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.We are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).Compensation Range: $165K - $330K

🏢 Summary: Senior Frontend Engineer role focused on leading development of a high-traffic web application for shipping management and rate comparison. The position involves end-to-end frontend ownership, from translating designs into production-ready interfaces to optimizing performance and accessibility. You will shape architecture decisions and maintain standards within a React/TypeScript monorepo environment. 🗂️ Requirements: 8+ years of production frontend development experience, 3+ years in senior role within scale-up or start-up environment, Deep expertise in React and TypeScript, Strong knowledge of state management and component architecture, Proficiency in HTML semantics and modern CSS, Experience with web performance optimization and Core Web Vitals, Practical expertise in WCAG 2.2 AA accessibility standards, Experience with unit, integration, and end-to-end testing, Experience working with monorepos, Ability to contribute to frontend and API architecture decisions 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, Grid, Flexbox, WCAG, CoreWebVitals, Testing, Monorepo, API, AWS, Snowflake, Figma 🏢 Description: Senior Frontend Engineer Our Client is an ambitious tech company on a mission to create a frictionless shipping experience for SMEs. They wrap real-time pricing, comparison, booking, and tracking into a clean and unified interface, replacing outdated logistics processes with a seamless digital platform. Role We are looking for an experienced Senior Frontend Engineer to play a central role in shaping a web app where thousands of customers every week sign up, compare rates, manage integrations, and book shipments. You will work end-to-end—from understanding customer problems to shipping production code—while leading frontend work on a core value team (Customer Experience, Marketplace, or SaaS). Responsibilities Plan and lead frontend development within your value team, collaborating closely with PMs, designers, and backend engineers. Translate designs into production user interfaces that are accessible, performant, well-tested, and consistent with the rest of the product. Build prototypes to put working code in front of customers when validating product ideas. Own web performance on the surfaces you touch, ensuring excellent Core Web Vitals to boost conversion rates. Champion accessibility across the platform (WCAG 2.2 AA is the baseline). Contribute to architecture decisions that cross the frontend/backend line, including API boundaries and real-time updates. Maintain shared standards across a React/TypeScript monorepo through code reviews and technical councils. Mentor junior engineers and contribute to the evolution of the company's design system. Key competences 8+ years of experience writing production frontend code, with the last 3+ at a senior level in a scale-up/start-up environment. Deep React and TypeScript experience, with strong opinions on state management and component architecture. Solid web fundamentals: HTML semantics, modern CSS (Grid, Flexbox, container queries), browser rendering pipelines, and the network layer. Accessibility expertise as a practitioner skill, capable of spotting WCAG issues during design reviews. Fluency in web performance, measuring and optimizing Core Web Vitals on real products. High testing maturity (unit, integration, and end-to-end tests). Excellent written and spoken English communication skills. Bonus points for: Experience with large-scale monorepos, background in logistics/marketplaces/B2B SaaS, contributing to design systems, embedding AI-assisted features, or a working knowledge of Go. Salary and Conditions Salary up to 7000 Euro per month 100% remote from Poland B2B contract signed directly with our Client Start ASAP Benefits Work with a modern tech stack (React, TypeScript, AWS, Snowflake, Figma, Claude Code, etc.) A curious, collaborative, low-ego culture within a Great Place to Work certified environment

🏢 Summary: Senior Frontend Engineer role focused on building and enhancing scalable web applications for a global e-commerce platform. The position involves designing responsive user interfaces, optimizing performance, and contributing to frontend architecture using modern technologies. You will collaborate with cross-functional teams to deliver high-quality, reusable, and accessible UI solutions. 🗂️ Requirements: Degree in Computer Science or equivalent experience, 4+ years of software engineering experience, Strong knowledge of JavaScript, TypeScript, HTML, CSS, Expertise in React ecosystem, Experience with state management libraries, Experience with testing frameworks, Experience with CI/CD pipelines, Experience with cloud environments, Understanding of APIs and distributed systems, Knowledge of SQL databases 📃 Skills: JavaScript, TypeScript, HTML, CSS, React, Zustand, ReactQuery, RxJS, Jest, Playwright, CI/CD, Azure, Kubernetes, SQL, APIs, Microfrontends, Routing, Bundlers 🏢 Description: Position: Senior Frontend Engineer Type of contract: COE (UoP) up to 22 700 PLB gross/month Working model: fully remote You can join our client and work on a modern digital platform designed to better connect shoppers and retailers within the global e-commerce ecosystem. The project focuses on building and enhancing scalable web applications and core services that power user interactions. You’ll collaborate closely with product and design teams to deliver intuitive, high-performance user experiences. The environment emphasizes innovation, usability, and continuous improvement of frontend architecture. Role summary: As a Senior Engineer, you will take ownership of designing and developing responsive, high-quality user interfaces while collaborating with cross-functional teams. The role involves translating UI/UX designs into functional applications, improving performance, and ensuring consistency through reusable components. You’ll also contribute to code quality through reviews and support architectural decisions. The position requires strong expertise in modern frontend technologies, especially React and TypeScript, along with experience in scalable application development. Responsibilities: Design and develop modern, responsive user interfaces Collaborate with designers, backend engineers, and DevOps teams Review code and maintain high engineering standards Build reusable UI components and optimize performance Ensure cross-browser compatibility and accessibility Key requirements: Degree in Computer Science (or equivalent experience) 4+ years of experience in software engineering Hands-on experience in writing production code for web applications; Practical knowledge in front-end technologies such as JavaScript, TypeScript, CSS, HTML, with strong proficiency in TypeScript (generics, type-safe APIs, strict mode); Expertise in the React ecosystem including React 19, React Router, modern bundlers (Rsbuild/Webpack/Vite), and micro-frontend architectures (Module Federation); Experience with state management and data-fetching libraries such as Zustand, TanStack React Query, and reactive patterns with RxJS; Familiarity with modern component libraries and styling toolchains-  HeroUI, Tailwind CSS, design-token-driven theming; Experience with unit and E2E testing frameworks such as Jest, Testing Library, and Playwright; Experience working with internal packages and publishing them to a private registry and Semantic Versioning; Familiarity with CI/CD pipelines and release workflows- Azure DevOps, GitHub Actions, or Jenkins- including PR validation, artifact promotion, and multi-environment deploys; An understanding of cloud computing principles and practices; experience with production applications in cloud environments. Azure and Kubernetes experience is preferred; Knowledge in key programming concepts like memory management, optimization techniques, API design, relational mapping frameworks, and distributed applications; An understanding of database concepts and experience writing SQL in a relational database such as MySQL or PostgreSQL; Familiarity with monitoring and logging solutions; Self-starter who can move projects forward by filling in the gaps on Agile teams, from delivering complete, well-defined functionalities with high quality standards, through reviewing other Engineers' code to contributing to design sessions. Offer: COE, up to 22 700 PLN gross per month Private healthcare, life insurance, sports card, and lunch subsidy Learning and development support (including tuition assistance) Employee Assistance Program Remote or hybrid work model supporting work–life balance Opportunity to collaborate with experienced engineers on global-scale e-commerce solutions

🏢 Summary: Senior Frontend Engineer role focused on building and evolving scalable, maintainable web applications using React. The position involves leading development of user-facing features, ensuring performance and accessibility, and shaping the frontend architecture. You will own features end-to-end and collaborate closely with product and design to deliver high-quality solutions. 🗂️ Requirements: Commercial experience with React, Experience building complex frontend features, Ability to work independently on frontend tasks, Experience collaborating with product and design stakeholders, Strong focus on code quality and maintainability, Experience optimizing performance and accessibility 📃 Skills: React, JavaScript, TypeScript, HTML, CSS, Testing, Accessibility, Performance, Git, DesignSystems 🏢 Description: We are hiring a Senior Frontend Engineer to join a product-focused team working on modern web applications for our client. In this role, you’ll take the lead in building user-facing features that are reliable, scalable, and easy to maintain. You’ll work at the intersection of engineering, product, and design — turning ideas into real, high-quality solutions used by end users. This is a position for someone who is comfortable making decisions, taking responsibility for their work, and actively shaping the frontend layer of the product. Your day-to-day Build and evolve frontend features with a focus on scalability and long-term maintainability Turn product concepts and design mockups into functional, high-quality interfaces Work closely with product and design stakeholders to refine solutions and improve user experience Take care of application performance, accessibility, and overall code health Influence technical direction within the frontend domain Spot inefficiencies and improve existing solutions and codebase structure Own your work end-to-end — from idea to production. What we’re looking for Solid commercial experience in frontend development with React Confidence in delivering complex features without close supervision Experience collaborating with non-engineering stakeholders (e.g. product, design) Strong focus on code quality, readability, and long-term maintainability Ownership mindset — you don’t just implement tasks, you drive solutions. Nice to have Experience working on complex or large-scale web platforms Exposure to shared frontend ecosystems or multi-team environments Familiarity with component-driven development and design systems Interest in growing your skills in TypeScript and modern frontend testing practices

🏢 Summary: Senior Frontend Engineer role focused on building and enhancing scalable web applications for a global e-commerce platform. The position involves designing high-quality, responsive user interfaces, optimizing performance, and contributing to frontend architecture using modern React and TypeScript ecosystems. You will collaborate with cross-functional teams to deliver robust, reusable, and maintainable frontend solutions. 🗂️ Requirements: Degree in Computer Science or equivalent experience, 4+ years of software engineering experience, Commercial experience in building production web applications, Strong proficiency in TypeScript including generics and strict mode, Expertise in React ecosystem including React 19 and React Router, Experience with modern bundlers, Experience with micro-frontend architecture and Module Federation, Experience with state management libraries, Experience with data-fetching libraries, Experience with unit and E2E testing, Experience publishing internal packages and Semantic Versioning, Experience with CI/CD pipelines and release workflows, Understanding of cloud computing principles, Experience with SQL and relational databases, Knowledge of API design and distributed applications 📃 Skills: JavaScript, TypeScript, React, ReactRouter, Rsbuild, Webpack, Vite, ModuleFederation, Zustand, TanStackQuery, RxJS, HeroUI, Tailwind, Jest, TestingLibrary, Playwright, Azure, Kubernetes, AzureDevOps, GitHubActions, Jenkins, SQL, MySQL, PostgreSQL 🏢 Description: Position: Senior Frontend Engineer Type of contract: COE (UoP) up to 22 700 PLN gross/month Working model: fully remote You can join our client and work on a modern digital platform designed to better connect shoppers and retailers within the global e-commerce ecosystem. The project focuses on building and enhancing scalable web applications and core services that power user interactions. You’ll collaborate closely with product and design teams to deliver intuitive, high-performance user experiences. The environment emphasizes innovation, usability, and continuous improvement of frontend architecture. Role summary: As a Senior Engineer, you will take ownership of designing and developing responsive, high-quality user interfaces while collaborating with cross-functional teams. The role involves translating UI/UX designs into functional applications, improving performance, and ensuring consistency through reusable components. You’ll also contribute to code quality through reviews and support architectural decisions. The position requires strong expertise in modern frontend technologies, especially React and TypeScript, along with experience in scalable application development. Responsibilities: Design and develop modern, responsive user interfaces Collaborate with designers, backend engineers, and DevOps teams Review code and maintain high engineering standards Build reusable UI components and optimize performance Ensure cross-browser compatibility and accessibility Key requirements: Degree in Computer Science (or equivalent experience) 4+ years of experience in software engineering Hands-on experience in writing production code for web applications; Practical knowledge in front-end technologies such as JavaScript, TypeScript, CSS, HTML, with strong proficiency in TypeScript (generics, type-safe APIs, strict mode); Expertise in the React ecosystem including React 19, React Router, modern bundlers (Rsbuild/Webpack/Vite), and micro-frontend architectures (Module Federation); Experience with state management and data-fetching libraries such as Zustand, TanStack React Query, and reactive patterns with RxJS; Familiarity with modern component libraries and styling toolchains-  HeroUI, Tailwind CSS, design-token-driven theming; Experience with unit and E2E testing frameworks such as Jest, Testing Library, and Playwright; Experience working with internal packages and publishing them to a private registry and Semantic Versioning; Familiarity with CI/CD pipelines and release workflows- Azure DevOps, GitHub Actions, or Jenkins- including PR validation, artifact promotion, and multi-environment deploys; An understanding of cloud computing principles and practices; experience with production applications in cloud environments. Azure and Kubernetes experience is preferred; Knowledge in key programming concepts like memory management, optimization techniques, API design, relational mapping frameworks, and distributed applications; An understanding of database concepts and experience writing SQL in a relational database such as MySQL or PostgreSQL; Familiarity with monitoring and logging solutions; Self-starter who can move projects forward by filling in the gaps on Agile teams, from delivering complete, well-defined functionalities with high quality standards, through reviewing other Engineers’ code to contributing to design sessions. Offer: COE, up to 22 700 PLN gross per month Private healthcare, life insurance, sports card, and lunch subsidy Learning and development support (including tuition assistance) Employee Assistance Program Remote or hybrid work model supporting work–life balance Opportunity to collaborate with experienced engineers on global-scale e-commerce solutions

🏢 Summary: Senior Frontend Engineer role focused on driving architectural direction and building scalable, high-quality frontend solutions using React and TypeScript. The position involves designing core features, shaping best practices, improving CI/CD and observability, and mentoring engineers. The engineer will collaborate cross-functionally to deliver performant, maintainable, and accessible user experiences. 🗂️ Requirements: Extensive experience with large-scale frontend applications, Strong hands-on experience with React, Strong hands-on experience with TypeScript, Deep understanding of web architecture and component design, Experience with performance optimization and responsive UI patterns, Solid knowledge of build tools, Experience with version control systems, Experience with CI/CD pipelines, Ability to design scalable and maintainable frontend solutions, Experience contributing to testing and deployment processes 📃 Skills: React, ReactNative, TypeScript, JavaScript, CI/CD, Git, HTML, CSS, Web, Serverless, Cloud 🏢 Description: Senior Frontend Engineer We’re looking for a seasoned engineer who combines deep hands-on skills with the ability to guide architectural direction, influence technical strategy, and mentor others. About the Role Your work will directly shape how thousands of businesses worldwide interact with the clients solutions — improving user experiences, driving customer satisfaction, and helping companies save valuable time. As part of this role, you will be making technical decisions, mentor colleagues, and contribute to setting best practices that strengthen frontend engineering across the company. You’ll collaborate closely with product managers, UX designers, and backend engineers to turn ideas into well-engineered solutions — balancing product velocity with long-term maintainability. Key Responsibilities Drive architectural and technical direction for frontend solutions across product suite. Design and implement core features and shared components using React/React Native, and TypeScript. Evaluate and introduce new technologies, patterns, and tools that improve scalability, maintainability, and performance. Contribute to the design system and ensure consistent, accessible, and performant user experiences. Work closely with other engineers to review code, share knowledge, and improve development practices. Act as a technical mentor — helping others grow through feedback, guidance, and collaboration. Ensure strong build, deployment, and testing processes that support rapid, reliable delivery. Contribute, or lead, broader engineering initiatives such as CI/CD improvements, observability, and cross-product consistency. Key Requirements Extensive experience in building and maintaining large-scale frontend applications. Deep understanding of web architecture, component design, performance optimization, and responsive UI patterns. Strong hands-on experience with React and TypeScript. Solid knowledge of build tools, version control, and CI/CD pipelines. A pragmatic mindset — able to balance innovation with delivery. Excellent collaboration and communication skills. Passion for technical craftsmanship and for helping others grow through mentorship and example. Nice to Have Experience in designing intuitive user interfaces. Familiarity with cloud services and serverless architectures. Knowledge of accessibility standards in web development. Location: København Allocation: Full-time. Start date: ASAP End date: 3-6 months

🏢 Summary: B2B offer for a Senior Frontend Software Engineer to build secure, enterprise-grade wealth management platforms and internal operational systems for a German financial institution. The role focuses on developing scalable, high-performance frontend applications handling complex data and multi-tenant architectures in a SCRUM team. Hybrid work model with strong emphasis on React, TypeScript, Next.js, and cloud environments. 🗂️ Requirements: Very strong knowledge of React, Commercial experience with TypeScript, Practical experience with Next.js, Experience building secure enterprise applications, Experience with RBAC and complex permission structures, Commercial experience with AWS or GCP, Experience in greenfield projects, Ability to integrate frontend with backend APIs, English level B2+ or higher 📃 Skills: TypeScript, React, Next.js, AWS, GCP, RBAC, SCRUM, API 🏢 Description: Dla naszego klienta poszukujemy osób na stanowisko: Senior Frontend Software Engineer (m/f/d) 🏢 Projekt : Tworzenie zaawansowanych platform do zarządzania majątkiem dla klientów instytucjonalnych (Wealth Management) oraz wewnętrznych paneli operacyjnych dla prężnie działającej niemieckiej instytucji finansowej. Tworzone systemy klasy enterprise cechują się wysokim poziomem zabezpieczeń oraz rozbudowaną architekturą multi-tenant. 💻 Stack technologiczny : TypeScript, React, Next.js, chmura (AWS lub GCP). 👥 Zespół : 6-osobowy zespół projektowy. 🔄 Metodyka pracy : SCRUM. 📍 Model współpracy : Praca hybrydowa (biuro w Warszawie). 💰 Wynagrodzenie : 30 000 - 35 000 PLN netto + VAT/B2B. Zakres obowiązków : Ścisła współpraca z inżynierami backendu w zakresie optymalnej integracji z API. Współdziałanie z zespołem UX/UI przy wdrażaniu i rozwoju Design Systemu. Dbanie o najwyższą wydajność, bezpieczeństwo i skalowalność tworzonego kodu. Rozwój interfejsów dostosowanych do przetwarzania i prezentacji dużych, złożonych zbiorów danych. 🎯 Oczekujemy : Bardzo dobrej znajomości biblioteki React oraz komercyjnego doświadczenia w programowaniu w języku TypeScript. Praktycznego doświadczenia z frameworkiem Next.js. Umiejętności tworzenia złożonych, bezpiecznych aplikacji typu enterprise (idealnie w branży finansowej lub bankowej). Biegłości w pracy ze złożonymi strukturami uprawnień (RBAC) i widoczności danych dla wielu podmiotów. Doświadczenia komercyjnego w pracy z chmurą (AWS lub GCP). Znajomości języka angielskiego na poziomie min. B2+/C1 - praca w środowisku międzynarodowym. Praktycznego doświadczenia w projektach typu greenfield, ze szczególnym uwzględnieniem budowy platform od zera. ✨ Oferujemy : Stabilną współpracę w oparciu o kontrakt B2B. Płatne dni wolne od świadczenia usług. Hybrydowy model pracy z nowoczesnego biura w Warszawie. Udział w międzynarodowym projekcie dla klienta z Niemiec. 🤝 Proces rekrutacyjny : Krótka rozmowa zapoznawcza z przedstawicielem zespołu rekrutacyjnego (określenie wzajemnych oczekiwań). Merytoryczne spotkanie techniczne z inżynierami z zespołu (dyskusja o architekturze, technologiach i doświadczeniu). Finałowa rozmowa biznesowa z menedżerem projektu z Niemiec (potwierdzenie dopasowania do kultury pracy organizacji). O nas Next Technology Professionals to wyspecjalizowana agencja rekrutacyjna i firma outsourcingowa o silnym profilu technologicznym. Od ponad 10 lat wspieramy firmy w budowie zespołów IT, AI, Cybersecurity, SAP oraz w rekrutacjach dla finansów, inżynierii i marketingu. Zrealizowaliśmy ponad 1000 skutecznych procesów rekrutacyjnych dla korporacji, scale-upów i dynamicznie rosnących startupów. Przesyłając swoje CV do Next Technology Professionals, trafiasz do starannie wyselekcjonowanej bazy kandydatów realizujących projekty dla wiodących globalnych organizacji. Pracujemy wyłącznie w oparciu o aktualne, konkretne potrzeby klientów. Jeśli Twój profil będzie odpowiadał jednemu z prowadzonych procesów, skontaktujemy się niezwłocznie.